75824739
Oct 15, 1999
May 8, 2001
MOBILE PERSONAL SECURITY DEVICE USED IN CONNECTION WITH THE CELLULAR TELEPHONE NETWORK AND GLOBAL POSITIONING SYSTEM TO TRANSMIT VOICE AND LOCATION DATA FOR EMERGENCY NOTIFICATION, MEDICAL, OR OTHER ASSISTANCE, AND TO MAINTAIN 2-WAY VOICE CONTACT WITH A CENTRAL STATION OPERATOR
Electrical and Scientific Apparatus